       (draw-series-background ctx w h)
       (draw-series ctx w h data {:min begin-t :max end-t})
       (draw-frame ctx w h))))
-

   {:line-width 0
    :stroke-style "#0000FF"
    :line-dash #js [ ]}
   
   :frame
   {:line-width 1
    :stroke-style "#000000"

        [val suffix precision]
        (cond
          (>= mag 1000000000)
          [(/ val 1000000000) "G" 1]

          (>= mag 1000000)
          [(/ val 1000000) "M" 1]

          (>= mag 1000)
          [(/ val 1000) "K" 1]

          :else
          [val "" 1])]
    (str (.toFixed val precision) suffix)))

(defn largest-y-range-magnitude [ y-range ]
